2505519

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1387

約数の個数: 16

約数和(自身を含む): 3767040

約数和(自身を除く): 1261521

約数列:

[1, 3, 9, 27, 71, 213, 639, 1307, 1917, 3921, 11763, 35289, 92797, 278391, 835173, 2505519]

約数ペア:

[(1, 2505519), (3, 835173), (9, 278391), (27, 92797), (71, 35289), (213, 11763), (639, 3921), (1307, 1917)]